Detailed Product Description Oxal Aicd 99.6%SpecTOTAL ACIDITY %≥99.6 ASH %≤0.1 IRON ≤0.02 LOSS ON IGNITION %≤ 0.08 SULFATE%≤ 0.1 CHLORIDE ppm≤ 20 HEAVY METAL ppm≤ 10 0C. If heated quickly, it melts at 101.5 0C,anhydrous oxalic acid melts at 180 0C.Applications: Purifying agent in pharmaceutical industry, special in antibiotic medication, such as Oxytetracycline , Chloramphenicol , etc; ...